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Firefox can't connect, while IE does.

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Hello Everyone, After testing a classroom management application, I applied through it a block internet policy but after I disabled it, Firefox can't connect. I' ve established that when the website entered at the address page exists it loads for just a moment but when it pings it, it suddenly stops loading. However, when I enter a random address, one that doesn't exist, it loads until displaying the "server not found" error as it doesn't exist!! Please help!!!

Thanks in Advance, Jim

Hello Everyone, After testing a classroom management application, I applied through it a block internet policy but after I disabled it, Firefox can't connect. I' ve established that when the website entered at the address page exists it loads for just a moment but when it pings it, it suddenly stops loading. However, when I enter a random address, one that doesn't exist, it loads until displaying the "server not found" error as it doesn't exist!! Please help!!! Thanks in Advance, Jim

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Hi Jim, Thank you for your question. I understand that when browsing in Firefox after using a third party app to block internet connections that Firefox can no longer make a connection. I am happy to help.

Please first consider these troubleshooting steps:

Second, if it happens in all browsers please also troubleshoot the operating system connection settings: here